Question

how many units are defined inSI unit Give the SI unit of three base quantities​

Answer 1

7 units are defined in base quantities which are:-

I am writing the SI unit beside them:-

Mass - kilogram (kg)

Length - metre (m)

Time - second (s)

Thermodynamic Temperature - Kelvin(K)

Luminous Intensity - candela (cd)

Amount of Substance - mole (mol)

Current- Ampere (A)

Cheers!